libgomp/config/mingw32/time.c

   1 /* Copyright (C) 2006-2020 Free Software Foundation, Inc.
   2    Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr>
   3
   4    This file is part of the GNU Offloading and Multi Processing Library
   5    (libgomp).
   6
   7    Libgomp is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
  13    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14    FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15    more details.
  16
  17    Under Section 7 of GPL version 3, you are granted additional
  18    permissions described in the GCC Runtime Library Exception, version
  19    3.1, as published by the Free Software Foundation.
  20
  21    You should have received a copy of the GNU General Public License and
  22    a copy of the GCC Runtime Library Exception along with this program;
  23    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24    <http://www.gnu.org/licenses/>.  */
  25
  26 /* This file contains timer routines for mingw32.  */
  27
  28 #include "libgomp.h"
  29 #include <unistd.h>
  30 #include <sys/timeb.h>
  31
  32 double
  33 omp_get_wtime (void)
  34 {
  35   struct _timeb timebuf;
  36   _ftime (&timebuf);
  37   return (timebuf.time + (long)(timebuf.millitm) / 1e3);
  38 }
  39
  40 double
  41 omp_get_wtick (void)
  42 {
  43   return 1e-3;
  44 }
  45
  46 ialias (omp_get_wtime)
  47 ialias (omp_get_wtick)